/*
 * Copyright 2016 requery.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.requery.query;

/**
 * Represents an aliasable statement, that is a statement that can be suffixed with the 'as [name]'
 * and then referred to via [name].
 *
 * @param <T> type after aliasing
 */
public interface Aliasable<T> {

    /**
     * Alias the instance with the given valid name.
     *
     * @param alias name
     * @return type after aliasing
     */
    T as(String alias);

    /**
     * @return the current alias name.
     */
    String getAlias();
}
